Nasa deixa mundo em suspense sobre descoberta de vida extraterrestre -

http://br.noticias.yahoo.com/s/afp/101201/saude/eua_espa__o_astrobiologia
http://www.nasa.gov

http://www.nasa.gov/home/index.html


http://www.nasa.gov/mission_pages/GLAST/news/new-structure.html